Solved: A car of mass m moving at a speed v1 collides and

Chapter 9, Problem 24

(choose chapter or problem)

A car of mass m moving at a speed v1 collides and couples with the back of a truck of mass 2m moving initially in the same direction as the car at a lower speed v2. (a) What is the speed vf of the two vehicles immediately after the collision? (b) What is the change in kinetic energy of the cartruck system in the collision?

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